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YQB120N0055 is listed in the Ptc Resettable Fuses range at ChipApex. The manufacturer field lists Amphenol Advanced Sensors (Thermometrics). Its product description is PTC RESET FUSE 80V 60MA RADIAL. Review the specifications below when checking this part for your BOM.
The YQB120N0055 is a PTC thermistor manufactured by Amphenol Advanced Sensors under the THERMOMETRICS brand. It features a ceramic construction with tin-coated copper lead wires and a radial PCB mount style. The component has a resistance of 55 Ohms at ±25% tolerance, a maximum voltage rating of 80 VDC, and a current rating of 60 mA. Physical dimensions include a 4 mm diameter, 5.08 mm lead spacing, and 0.6 mm lead diameter. It operates within a temperature range of -25°C to +125°C.
Verify the specific datasheet version from Amphenol Advanced Sensors before integration. Confirm that the 80 VDC rating and 60 mA current limit align with your system's operational requirements. Ensure the 55 Ohm resistance value meets your circuit design specifications. Check RoHS compliance status through official manufacturer channels prior to procurement.
Select this component when a self-resetting PTC fuse is required for low-voltage DC applications up to 80V. The 55 Ohm baseline resistance suits specific impedance matching or sensing needs. Consider the radial package and 5.08mm pitch for standard PCB layouts. Evaluate thermal performance within the -25°C to +125°C operating range against environmental conditions.
This part belongs to the YQ series of PTC thermistors from Amphenol Advanced Sensors. It is categorized under circuit protection devices and thermistors. The product line focuses on providing reliable, self-resetting protection solutions for various electronic systems.
No public confirmed substitute part numbers are available in the provided documentation.
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